Which of these statements best explains why the atmosphere of today was partly due to the interactions of spheres in the past? plants and animals exchanged carbon dioxide and oxygen with the atmosphere. chemicals released from water formed the atmosphere. the molten magma form water droplets. the increase in fertility of soil around the volcano produce rain.

St. louis, missouri, and san francisco, california, both lie around 33° north latitude. st. louis is inland, while san francisco is on the coast of the pacific ocean. which statement about these north american cities would be true? san francisco will be warmer than st. louis in the winter. san francisco and st. louis will be about the same temperature year round. san francisco will be warmer than st. louis in the summer. san francisco will be warmer than st. louis year round.